java-11-openjdk/jdk8228407-shared_archive_crash.patch

55 lines
2.5 KiB
Diff

# HG changeset patch
# User ccheung
# Date 1564075552 25200
# Thu Jul 25 10:25:52 2019 -0700
# Node ID 1edf6cc224fbf975eadf2a1810f67816a8607d30
# Parent 73dbc713d4ddbdbeae71375db1603d85cef47f99
8228407: JVM crashes with shared archive file mismatch
Summary: Stop processing other header fields if initial header check has failed.
Reviewed-by: dholmes, jiangli
diff --git a/src/hotspot/share/memory/filemap.cpp b/src/hotspot/share/memory/filemap.cpp
--- a/src/hotspot/share/memory/filemap.cpp
+++ b/src/hotspot/share/memory/filemap.cpp
@@ -1287,7 +1287,9 @@
}
init_from_file(_fd);
- if (!validate_header()) {
+ // UseSharedSpaces could be disabled if the checking of some of the header fields in
+ // init_from_file has failed.
+ if (!UseSharedSpaces || !validate_header()) {
return false;
}
return true;
diff --git a/test/hotspot/jtreg/runtime/appcds/SharedArchiveConsistency.java b/test/hotspot/jtreg/runtime/appcds/SharedArchiveConsistency.java
--- a/test/hotspot/jtreg/runtime/appcds/SharedArchiveConsistency.java
+++ b/test/hotspot/jtreg/runtime/appcds/SharedArchiveConsistency.java
@@ -385,8 +385,16 @@
output.shouldNotContain("Checksum verification failed");
copyFile(orgJsaFile, jsa);
+ // modify _jvm_ident and run with -Xshare:auto
+ System.out.println("\n2b. Corrupt _jvm_ident run with -Xshare:auto\n");
+ modifyJvmIdent();
+ output = TestCommon.execAuto(execArgs);
+ output.shouldContain("The shared archive file was created by a different version or build of HotSpot");
+ output.shouldContain("Hello World");
+
+ copyFile(orgJsaFile, jsa);
// modify _magic and _paths_misc_info_size, test should fail
- System.out.println("\n2b. Corrupt _magic and _paths_misc_info_size, should fail\n");
+ System.out.println("\n2c. Corrupt _magic and _paths_misc_info_size, should fail\n");
modifyHeaderIntField(offset_magic, 0x00000000);
modifyHeaderIntField(offset_paths_misc_info_size, Integer.MAX_VALUE);
output = TestCommon.execCommon(execArgs);
@@ -395,7 +403,7 @@
copyFile(orgJsaFile, jsa);
// modify _version and _paths_misc_info_size, test should fail
- System.out.println("\n2c. Corrupt _version and _paths_misc_info_size, should fail\n");
+ System.out.println("\n2d. Corrupt _version and _paths_misc_info_size, should fail\n");
modifyHeaderIntField(offset_version, 0x00000000);
modifyHeaderIntField(offset_paths_misc_info_size, Integer.MAX_VALUE);
output = TestCommon.execCommon(execArgs);